Where does “déistin” come from?
déistin (Middle Irish) comes from Old Irish détsin, from Old Irish dét, from Proto-Celtic *dant, from Proto-Indo-European h₃dónts, from Proto-Indo-European h₁ed- — to eat.
Ancestry of “déistin”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Irish | détsin | — |
| 2 | Old Irish | dét | tooth; set of teeth; of ivory |
| 3 | Proto-Celtic | *dant | — |
| 4 | Proto-Indo-European | h₃dónts | tooth |
| 5 | Proto-Indo-European | h₁ed- | to eat |
Words derived from “déistin”